LarKoo 2 in 1 Water Bottle Wireless Bluetooth Speakers Outdoor Indoor Portable Waterproof Bike Riding Rechargeable Speaker with TF USB Cable Compass Water Cup (Green) Novel design: Put the bluetooth speakers and water bottle together, use seamless connection and it will not leak water, suitable for indoor home or outdoor Bike, Riding, Fishing, Camp etc.. The bottle body adopts advanced international inspection material -Tritan Copolyester, inside and outside the kettle anti electrolytic treatment, non-toxic, tasteless, wear-resisting IPX4 waterproof design, built-in rechargeable battery, Kettle can be installed 400ml. to meet the needs of all types of consumers The compass of bottle plug shows precise positioning, take you to explore the unknown field, give you the direction, take you home Music and outdoor sports cup combo will not need to carry the heavy glass and speakers, one better than two portable utility, the speaker is compatible with Iphone 5 5C 5S 6 6S 7 7S Plus, Samsung Galaxy S3 S4 S5 S6 S7 Edge + Plus Note 2 3 4 5 6 7 j2, LG G4 stylo, Nexus 5 6 6p, Sony z5